Financial reports
10-Q
2006 Q2
Quarterly report
8 Aug 06
10-K/A
2005 FY
Annual report (amended)
20 Jun 06
10-Q
2006 Q1
Quarterly report
11 May 06
10-K
2005 FY
Annual report
23 Mar 06
10-Q
2005 Q3
Quarterly report
14 Nov 05
10-Q
2005 Q2
Quarterly report
12 Aug 05
10-Q
2005 Q1
Quarterly report
16 May 05
10-K
2004 FY
Annual report
31 Mar 05
10-Q
2004 Q3
Quarterly report
15 Nov 04
Current reports
8-K
Chaparral Stockholders Approve Merger
29 Sep 06
8-K
Other Events
27 Mar 06
8-K
Other Events
23 Mar 06
8-K
Entry into a Material Definitive Agreement
14 Mar 06
8-K
Changes in Control of Registrant
9 Dec 05
8-K
Departure of Directors or Principal Officers
13 Oct 05
8-K
Entry into a Material Definitive Agreement
29 Nov 04
8-K
Results of Operations and Financial Condition
17 Aug 04
8-K
Changes in control of registrant
19 May 04
8-K
Other events
9 Jan 04
Registration and prospectus
SC 13E3/A
Going private transaction (amended)
6 Oct 06
15-12G
Securities registration termination
29 Sep 06
SC 13E3/A
Going private transaction (amended)
19 Sep 06
SC 13E3/A
Going private transaction (amended)
6 Sep 06
SC 13E3/A
Going private transaction (amended)
7 Aug 06
SC 13E3/A
Going private transaction (amended)
20 Jun 06
SC 13E3
Going private transaction
1 May 06
RW
Registration withdrawal request
6 Dec 00
S-3
Shelf registration
5 Apr 00
RW
Registration withdrawal request
1 Mar 00
Proxies
DEFA14A
Additional proxy soliciting materials
19 Sep 06
DEFR14A
Revised proxy
6 Sep 06
DEFR14A
Revised proxy
29 Aug 06
DEF 14A
Definitive proxy
28 Aug 06
PRER14A
Preliminary revised proxy
7 Aug 06
PRER14A
Preliminary revised proxy
19 Jun 06
PREM14A
Preliminary proxy related to merger
1 May 06
DEF 14A
Definitive proxy
16 Feb 06
DEF 14A
Definitive proxy
7 Jul 04
PRE 14A
Preliminary proxy
28 Jun 04
Other
UPLOAD
Letter from SEC
31 Oct 06
UPLOAD
Letter from SEC
31 Oct 06
CORRESP
Correspondence with SEC
28 Aug 06
CORRESP
Correspondence with SEC
7 Aug 06
UPLOAD
Letter from SEC
11 Jul 06
CORRESP
Correspondence with SEC
19 Jun 06
UPLOAD
Letter from SEC
22 Nov 05
CORRESP
Correspondence with SEC
15 Nov 05
UPLOAD
Letter from SEC
2 Nov 05
CORRESP
Correspondence with SEC
20 Sep 05